| Quantity: | |
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Highly Rated Heavy Duty Truck Parts 12JS160T-1707030 Fast Gearbox Transmission Drive Gear
for Shacman Delong Sinotruk Howo
| Attribute | Description |
|---|---|
| Type | Secondary Box High-Grade Gear / Auxiliary Drive Gear |
| Function | Transmits power within the transmission system; enables gear shifting and torque distribution in heavy-duty truck gearboxes |
| Brand | FAST |
| Material | High-strength alloy steel (typically 20CrMnTi or similar case-hardening steel), carburized and hardened for wear resistance |
| Manufacturing Process | Precision forging, CNC machining, carburizing & quenching heat treatment, grinding |
| Teeth Count (Z) | 40 teeth (Z = 40) |
| Module (Mod) | Typically Module 4.5 or 5.0 (based on 12JS series standard) |
| Pressure Angle | 20° (standard for commercial vehicle gears) |
| Hardness | Surface hardness: 58–63 HRC; Core hardness: 30–45 HRC |
| Finish | Ground tooth profile for smooth meshing and reduced noise |
| Weight | Approx. 4 kg |
OEM Application Series: Designed for use in FAST 12JS160T, 12JS180T, and related multi-speed manual transmissions
Gear Position: Installed in the auxiliary (secondary) gearbox section – typically part of the high-range drive train
Rotation Direction: Compatible with standard clockwise input rotation systems
Lubrication Requirement: Operates in oil-bath environment using SAE 80W-90 or GL-5 grade gear oil
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